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Operation guide
User manual
Installation, Operation and
PAHT C pumps
PAHT C 2- 6.3
Maintenance Manual for
Installation, Operation and
Maintenance Manual
PAHT C 2-6.3 pumps
hpp.danfoss.com

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Summary of Contents for Danfoss PAHT C

  • Page 1 Operation guide User manual Installation, Operation and PAHT C pumps PAHT C 2- 6.3 Maintenance Manual for Installation, Operation and Maintenance Manual PAHT C 2-6.3 pumps hpp.danfoss.com...
  • Page 2: Table Of Contents

    Pre mounting checklist, based on Danfoss preferred system designs . . . . . . . . . . . . . . . .
  • Page 3 Pump instruction PAHT C 2-6 .3pumps (AN234386502875en-000202) . . . . . . . . . . . . . . . . .
  • Page 4: Validity

    Operation guide | Installation, Operation and Maintenance Manual for PAHT C 2-6.3 pumps Validity This manual is valid for PAHT C pumps both non In case the pump delivered is ATEX certified, the ATEX and ATEX certified versions . An ATEX additional ATEX instruction must also be read .
  • Page 5: Introduction

    Operation guide | Installation, Operation and Maintenance Manual for PAHT C 2-6.3 pumps Introduction General • Operation outside the Danfoss specifications The PAHT C pumps and pump units are manufac- requires a written approval from Danfoss tured by Danfoss A/S, and are sold and marketed High Pressure Pumps .
  • Page 6: Manufacturer And Customer Service Address

    Operation guide | Installation, Operation and Maintenance Manual for PAHT C 2-6.3 pumps 1.3 Manufacturer and customer service Your local Danfoss pump distributor can be address: found on our homepage . Danfoss A/S 1.4 Country specific information High Pressure Pumps 1.4.1 United Kingdom...
  • Page 7: Commissioning And Servicing The Unit

    Operation guide | Installation, Operation and Maintenance Manual for PAHT C 2-6.3 pumps • Do not try to lift the pump unit manually; most of the pumps weigh more than 20 kilos, see specific weight for the pump It is always the system builders´ responsibility in the appendix 1, Data sheet .
  • Page 8: Filtration

    Operation guide | Installation, Operation and Maintenance Manual for PAHT C 2-6.3 pumps 3.7 Filtration (10µm absolute [β ≥ 5000]) 3.9 Air bubbles Requirements are specified in appendix 1, Data Large bubbles in a pressurised system can result sheet and appendix 2, Instruction .
  • Page 9: Return To Supplier

    Operation guide | Installation, Operation and Maintenance Manual for PAHT C 2-6.3 pumps Pumps which have a weight above 20 kilos (see Wrong lifting: appendix 1, Data sheet) must be handled by using lifting eyes and slings . When lifting the pump unit, one sling must be attached to the electric motor and one sling around the pump .
  • Page 10: Installation And Commissioning

    Operation guide | Installation, Operation and Maintenance Manual for PAHT C 2-6.3 pumps Installation and commissioning 5.1 Important dimensions 5.3 Fluid temperature Physical dimensions and connections of the Before start-up, the fluid and pump housing temperature must be within the specified pump unit are described in appendix 1, Data sheet .
  • Page 11: Pre Mounting Checklist, Based On Danfoss Preferred System Designs

    Operation guide | Installation, Operation and Maintenance Manual for PAHT C 2-6.3 pumps 5.6 Pre mounting checklist, based on Danfoss preferred system designs Table 1: Check points when assembling and commissioning system Check points Comment OK ? See Arrival inspection, transpor- Ensure that the environmental conditions are safe .
  • Page 12: Ensure Free Flow

    Operation guide | Installation, Operation and Maintenance Manual for PAHT C 2-6.3 pumps 5.12 Ensure free flow • Check the temperature switch/controls . The Ensure free flow from relief valve (table 1, item high-pressure pump must stop if tempera- 5 .6, CP 8) . A blocked relief valve can cause ture is above specified set point .
  • Page 13: Operation Of Motor Pump Unit

    Operation guide | Installation, Operation and Maintenance Manual for PAHT C 2-6.3 pumps Operation of motor pump unit Drop in flow and/or pressure – may indicate 6.1 General safety information wear on one or more parts inside the Before inspecting the pump unit, read the Safety pump .
  • Page 14: Disassembling And Assembling The Pump Unit

    Operation guide | Installation, Operation and Maintenance Manual for PAHT C 2-6.3 pumps Slowly unscrew and remove the bolts and gaskets from the inlet/outlet hoses or pipes, be careful about jets of water . Be aware that the system can be pressurized .
  • Page 15: Troubleshooting And Scrapping Criteria

    Operation guide | Installation, Operation and Maintenance Manual for PAHT C 2-6.3 pumps Troubleshooting and Electrical scrapping criteria hazard 8.1 General safety information 8.4 Electrical failure Before inspecting the pump unit, it is necessary If the wiring of the electric motor is incorrect or...
  • Page 16 Operation guide | Installation, Operation and Maintenance Manual for PAHT C 2-6.3 pumps 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 17: Appendices For Installation, Operation And Maintenance Manual

    Operation guide User manual Appendices for Installation, Operation PAHT C pumps PAHT C 2-6.3 and Maintenance Manual Appendices for Installation, Operation and Maintenance Manual PAHT C 2-6.3 pumps hpp.danfoss.com...
  • Page 18: Table Of Contents

    Pump instruction PAHT C 2-6 .3pumps (AN234386502875en-000202) . . . . . . . . . . . . . . . . .
  • Page 19: Data Sheet Paht C 2-6 .3 Pumps (A!234386502982En000401)

    Data sheet Data sheet PAHT C 2-6.3 pumps PAHT C pumps PAHT C 2 - 6.3 ATEX PAHT C pump ATEX PAHT C pumps hpp.danfoss.com hpp.danfoss.com...
  • Page 20 PAHT C 2-6 .3 typical flow curves at max pressure (measured in water) . . . . . . . . . . . . . .
  • Page 21: Benefits

    . many other electronic products . • High-pressure cleaning as used in the manufacturing of parts for the automobile industry . 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 22: Technical Data

    Measurements according to EN ISO 3744: 2010 / dB(A) [L ] values are calculated . PA, 1m Measured at max pressure and rpm for a motor pump unit . 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 23: Paht C 2-6 .3

    Pressure (barg / psig) Displacement (cm / rev . ) (th) 1000 Motor speed (rpm) 5.1 PAHT C 2-6.3 typical flow curves at max pressure (measured in water) l/min l/min PAHT C 6.3 PAHT C 6.3 PAHT C 4.0 PAHT C 4.0 PAHT C 3.2...
  • Page 24: Motor Requirements

    To determine the correct motor size, both the power and torque requirement must be verified . The mechanical efficiency of the pump, at max pressure, is as follows: PAHT C 2, 3.2, 4, 6.3 0 .8 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 25: Installation

    99 . 9 8% efficient, and only allow 20 of the more noise if the VFD does not have the same 100,000 particles to pass through . right settings . 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 26: Open-System Design

    Note: If a non-return valve is mounted in the value . inlet line, a low-pressure relief valve is also recommended between the non-return valve and the pump to protect against high-pressure peaks. System 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 27: Closed-System Design

    Always install a proper drain (12) in order to safely drain the fluid to avoid vaporization and to ensure a safe drain, without human contact before inspection and/or service . Reservoir System 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 28: Dimensions And Connections

    Data sheet | PAHT C 2-6.3 pumps Dimensions and 8.1 PAHT C 2-6.3 connections 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 29: Service

    Make sure to install a proper drain to avoid any spill of fluid into the surroundings, drain the whole pump before servicing and wear neces- sary safety equipment . Read the Service Instruction before servicing the pump . 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 30 521B1374 | A!234386502982en000401 | PAHT C pumps | UK | 06 .2017 | 30 © Danfoss | DCS (im) | 2017.06...
  • Page 31: Pump Instruction Paht C 2-6 .3Pumps (An234386502875En-000202)

    Instruction Instruction PAHT C pumps PAHT C pumps PAHT C 2-6.3 pumps PAHT C 2/3.2/4/6.3 hpp.danfoss.com hpp.danfoss.com...
  • Page 32 How to inspect the pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 0 Identification PUMP Type PAHT C MADE IN DENMARK Code no. 180BXXXX Serial no. XXXXXXXX-XXX Danfoss A/S, 6430 Nordborg, Denmark 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 33: System Design

    Always install a proper drain (12) in order to safely drain the fluid to avoid vaporization and to ensure a safe drain, without human contact before inspection and/or service . Reservoir System 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 34: Open-System Design

    Note: If a non-return valve is mounted in the value . inlet line, a low-pressure relief valve is also recommended between the non-return valve and the pump to protect against high-pressure peaks. System 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 35: General Guidelines For Calculation Of Pressure Losses

    Please contact the Danfoss Sales Organiza- Pump suction line should be placed above the tion for further filter details tank bottom in order to prevent settled particles from being led into the pump . 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 36: Building Up The Pump Unit

    . Please take care to observe the recommended length tolerances of the chosen coupling, as an axial force on the pump shaft must be avoided . 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 37: Protection From Too High Pressure

    G 1⁄2 x 15 M6; Allen key 4 mm Max tighten 25 Nm 25 Nm 5 Nm torque Recommended torque values refer to steel washers containing a rubber sealing element . 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 38: Initial Start-Up

    . In systems with water tank it is recommended to build in a level gauge in the tank to avoid the risk of running dry . 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 39: Open-Ended Systems With Water Supply From Tank

    . Read the Service Instruction before servicing the pump . 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 40: Recommended Service Intervals

    Retainer plate, ball and bearing • Valve plate • Port plate 7.3 How to inspect the pump • Sealings Service manuals are available on the internet hpp .danfoss .com 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 41 Instruction Pump instruction PAHT C 2-6.3 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 42 Danfoss A/S High Pressure Pumps Nordborgvej 81 DK-6430 Nordborg Denmark © Danfoss | DCS (im) | 2017.06 | 42 180R9317 | AN234386502875en-000202 | PAHT C 2-6 .3 Pumps...
  • Page 43: Electric Motor Manual (180R9230)

    Electric Motors Motor Manual hoyermotors.com Manual 180R9230 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 44 The motor are balancing with half key, ensure that the drive components are also the same. Hoyer Motors, Motor Manual, October 2011 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 45 Data for vertically mounted motors are half of the above values. Maintenance, repairs and replacement on zone 22 motors must only be carried out by qualified specialists. Hoyer Motors, Motor Manual, October 2011 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 46 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 47 Eco design for electrical motors 2009/640/EC ATEX directive 2014/34/EU Ex II 3D Ex tc IIIB T120°C Ex II 3G Ex nA IIC T3 Year of CE marking: Signed by: Thomas Klausen July 2016 Date 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 48 SVEND HØYER A/S Chains · Gears · Motors Tlf. (+45) 86 98 21 11 Main office: Svend Høyer A/S Over Hadstenvej 42 · DK 8370 Hadsten Tel. (+45) 86 98 21 11 · Fax (+45) 86 98 17 79 E-mail: svendhoyer@svendhoyer.dk · http://www.svendhoyer.dk Sverige: Svend Høyer AB Malmövägen 18 ·...
  • Page 49: Parts List Paht C 2-6 .3 (A!234386502982En000401)

    Parts list Parts list PAHT C 2-6.3 pumps PAHT C pumps PAHT C 2/3.2/4/6.3 hpp.danfoss.com hpp.danfoss.com...
  • Page 50 Exploded view for PAHT C 3 .2-6 .3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 51: General

    PAHT C 2 Ex PAHT C 3 .2 PAHT C 3 .2 Ex PAHT C 4 PAHT C 4 Ex PAHT C 6 .3 PAHT C 6 .3 Ex 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 52: Spare Parts List For Paht C 2

    1 End cover AISI 304 1 Pin AISI 316 2 Screw AISI 304 1 Usit-ring AISI 304 / NBR 2 O-ring 1 Service instruction (180R9094) - FFKM sealing material 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 53: Exploded View For Paht C 2

    Parts list | PAHT C pumps 2.1 Exploded view for PAHT C 2 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 54: Spare Parts List For Paht C 3 .2-6 .3

    1 End cover AISI 304 1 Pin AISI 316 2 Screw AISI 304 1 Usit-ring AISI 304 / NBR 2 O-ring 1 Service instruction (180R9094) - FFKM sealing material 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 55: Exploded View For Paht C 3 .2-6 .3

    Parts list | PAHT C pumps 3.1 Exploded view for PAHT C 3.2-6.3 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 56 Danfoss A/S High Pressure Pumps Nordborgvej 81 DK-6430 Nordborg Denmark © Danfoss | DCS (im) | 2019.10 | 56 521B1393 |180R9373 | DKCFN .PI .012 .3D .02...
  • Page 57: Trouble Shooting Guide For Pah / Paht / Paht C / Paht G / Paht 674 And Pah F Pumps

    Guide line. Guideline Trouble shooting guide for PAH / PAHT / PAHT C / PAHT G / PAH / PAHT / PAHT C / PAHT G / PAHT 674 / PAH F pumps Trouble shooting guide PAHT 674 and PAH F pumps hpp.danfoss.com...
  • Page 58 Guide line | Trouble shooting guide for PAH, PAHT, PAHT C , PAHT G, PAHT 674 and PAH F pumps Table of Contents Table of Contents Trouble shooting fish bone chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59 No flow/no pressure .
  • Page 59: Trouble Shooting Fish Bone Chart

    Guide line | Trouble shooting guide for PAH, PAHT, PAHT C , PAHT G, PAHT 674 and PAH F pumps Trouble shooting fish bone chart 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 60: No Flow/No Pressure

    Guide line | Trouble shooting guide for PAH, PAHT, PAHT C , PAHT G, PAHT 674 and PAH F pumps No flow/no pressure Cause Remedy Comments 1.1 Dry running If no water comes out of the pump: Mount a low pressure switch in front of the (no water supply to the pump) pump and check its set point/ function .
  • Page 61: Reduced Flow/Reduced Pressure

    Guide line | Trouble shooting guide for PAH, PAHT, PAHT C , PAHT G, PAHT 674 and PAH F pumps Reduced flow/reduced pressure Cause Remedy Comments 2.1 Wear on pump 2 . 1 . 1 Dismantle the pump .
  • Page 62: High Torque On Electric Motor

    Guide line | Trouble shooting guide for PAH, PAHT, PAHT C , PAHT G, PAHT 674 and PAH F pumps High torque on electric motor Cause Remedy Comments 3.1 Too high outlet pressure from pump 3 . 1 . 1 Check for blocked nozzles or a faulty Pressure changes due to flow restrictions .
  • Page 63: Noise From Pump

    Guide line | Trouble shooting guide for PAH, PAHT, PAHT C , PAHT G, PAHT 674 and PAH F pumps Noise from pump Cause Remedy Comments 4.1 Air in fluid 4 . 1 . 1 Ensure that the entire inlet line is bled Small air bubbles will accumulate and create before starting up the system .
  • Page 64: Noise From Installation

    Guide line | Trouble shooting guide for PAH, PAHT, PAHT C , PAHT G, PAHT 674 and PAH F pumps Noise from installation Cause Remedy Comments 5.1 Inlet/outlet connections (hoses/pipes) 5 . 1 . 1 Use flexible hoses at inlet/outlet connec- Non-flexible connections mounted directly on tions .
  • Page 65: Typical Signs Of Wear

    Guide line | Trouble shooting guide for PAH, PAHT, PAHT C , PAHT G, PAHT 674 and PAH F pumps Typical signs of wear 6.1 Valve plate Picture 1 A normally worn valve plate has no marks/scratches but only a slightly polished surface .
  • Page 66: Port Plate

    Guide line | Trouble shooting guide for PAH, PAHT, PAHT C , PAHT G, PAHT 674 and PAH F pumps 6.2 Port plate Picture 1 If the port plate has scratches, level differences or both between the arrows, the port plate must be replaced .
  • Page 67 Guide line | Trouble shooting guide for PAH, PAHT, PAHT C , PAHT G, PAHT 674 and PAH F pumps 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps | 01.2022...
  • Page 68 Danfoss A/S High Pressure Pump Nordborgvej 81, DK-6430 Nordborg Denmark © Danfoss | DCS (im) | 11.2016 11 .2016 | 68...
  • Page 69: Right And Wrong - Trouble Shooting Guide For Water Hydraulic Systems (180R9042)

    MAKING MODERN LIVING POSSIBLE Service guide. Right and wrong Right and wrong Trouble shooting guide for water Trouble shooting guide for water hydraulic systems hydraulic systems danfoss.high-pressurepumps.com hpp.danfoss.com...
  • Page 70 Filling system with unfiltered System to be filled via filter immediately before the tank final load may damage the pump water causes damage 70 | © Danfoss | DCS (im) | 2022 .01 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps...
  • Page 71 Starting without water will cause Fill system with water before starting biofilm causing operational failures prevent seizing damage to ensure lubrication and cooling © Danfoss | DCS (im) | 2022.01 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6 .3 pumps | 71...
  • Page 72 Observing the starting procedure will cooling and lubrication starting, the filter will clog age (not applicable to Power Packs) ensure problem-free operation 72 | © Danfoss | DCS (im) | 2022 .01 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps...
  • Page 73 Replace filter element electrician Replace filter element Contact serviceman Turn on the tap for water supply Stamp © Danfoss | DCS (im) | 2022.01 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6 .3 pumps | 73...
  • Page 74 Replace filter element and fuses and contact Is the filter control electrician light on? Contact serviceman Trace leakage, if any Stamp 74 | © Danfoss | DCS (im) | 2022 .01 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps...
  • Page 75 © Danfoss | DCS (im) | 2022.01 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6 .3 pumps | 75...
  • Page 76 180R9316 | AQ176586503002en-000501 | IOM PAHT C 2-6.3 pumps © Danfoss | DCS (im) | 2022.01...

This manual is also suitable for:

Paht c 2Paht c 3.2Paht c 4Paht c 6.3

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